Placentotherapy
[醫]胎盤制劑療法
??? 情景例句
But?
但是什么？
A boisterous horse must have a rough bridle.
烈馬要套粗籠頭。
They may also have used wood and skins, but these have rotted away.
他們也可能用過木頭和獸皮，但這類東西早已腐爛殆盡。